Encoding format string

[Eslam Ahmed]

Can you share your pipeline?

Best Regards,
Eslam Ahmed


On Tue, Oct 25, 2022 at 9:47 AM amindfv--- via gstreamer-devel <
gstreamer-devel at lists.freedesktop.org> wrote:

> Hello, can anyone help here? I'm working with quite a simple setup: all
> clips have the same geometry, bitrate, fixed framerate, etc., and I simply
> want to render a file with matching specs (geometry, bitrate, and notably
> 10-bit color pixel format).
>
> I'm using `ges-launch` and all I need, as far as I know, is a `--format`
> string to specify this.
>
> Any help would be very appreciated.
>
> Thanks,
> Tom
>
> On Fri, Oct 21, 2022 at 01:40:45PM -0700, amindfv--- via gstreamer-devel
> wrote:
> > Running on very little sleep with a deadline looming, I find myself
> unable to come up with a GstEncoding profile for `ges-launch-1.0` (a task
> that seems simple enough).
> >
> > I've got input sources that are 4096x2160 with a pixel format of
> yuv420p10le; I'd like to preserve that as the output format (and make sure
> the pixel format isn't getting downgraded anywhere in the pipeline). I'd
> also like to make sure the bitrate stays at 200mb/s.
> >
> > I've tried things from this page (
> https://gstreamer.freedesktop.org/documentation/pbutils/encoding-profile.html?gi-language=c),
> and come up with things like
> >
> >
>  video/quicktime,variant=iso:video/x-h264,width=4096,height=2160|target-bitrate=200000
> >
> > (There's one video track, no audio)
> >
> > But I get errors from ges-launch like:
> >
> >     ERROR from element qtdemux27: Internal data stream error./>
> >
> >     Debugging info: ../gst/isomp4/qtdemux.c(6545): gst_qtdemux_loop ():
> /GESPipeline:gespipeline0/GESTimeline:gestimeline0/GESVideoTrack:gesvideotrack0/NleComposition:video_nlecomposition0/GstBin:current-bin/NleSource:GESVideoUriSource:nlesource0/GstBin:videosrcbin/GstURIDecodeBin:uridecodebin0/GstDecodeBin:decodebin56/GstQTDemux:qtdemux27:
> > streaming stopped, reason not-negotiated (-4)
> >
> >
> > As I say, I'm on quite a deadline; any help would be very appreciated!
> >
> > Thanks,
> > Tom
>
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